Element block pseudo-class :active generated with padding 20px overflow hidden transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block height auto width 160px border-radius transition margin 0px z-index auto box-sizing content-box font-weight normal cursor default position static background border 0px rgba(0,0,0,1) solid line-height 1 font-size 16px float none text-shadow 1px 1px 1px rgba(0,0,0,0.2)